WEBER WORKSHOPS BEAN CELLAR GlassProtect your coffee's freshness with the single dose Bean Cellar. Unlike traditional storage containers or bags that expose your beans to air with every scoop, the Bean Cellar limits exposure to just two timesonce when transferring from the bag and once when youre ready to grind. Crafted from durable borosilicate glass, each Bean Cellar is equipped with Weber's innovative one way valve cap. This design allows the natural CO from freshly roasted beans